=+test is scaled so that a score of 100 would be average for a normal-birth-weight child. Data that are consistent with summary quantities given in the paper for 50 children who were born prematurely were used to generate the accompanying MINITAB output, where Age3 represents the verbal ability score at age 3 and Age8 represents the verbal ability score at age 8. Use the MINITAB output to carry out a test